Resilient binding for skis

ABSTRACT

The resilient binding for skis consist of a pivoting supporting plate pivotally mounted at its front end on a baseplate fixed to the ski and of a boot-retaining jaw pivotally mounted at the rear end of the pivoting plate. The pivoting plate comprises one spring transversely mounted and in opposition with a fixed abutment or another spring having different resilient characteristics. The rotation of the pivoting plate causes the first spring to be compressed against the fixed abutment or the other spring and compels the pivoting plate to return to its normal position.

O United States Patent [151 3,642,298

Salomon 1 Feb. 15, 1972 [54] RESILIENT BINDING FOR SKIS 3,027,173 3/1962 Beyl ...280/11.35 T [72] Inventor: Georges P. J. Salomon 34 Avenue de 3,455,570 7/1969 Salomon ..280/l1.35 T

Loverchy Annecy France Primary Examiner-Benjamin Hersh [22] Filed: Dec. 24, 1969 Assistant ExaminerRobert R. Song [2]] App! No; 887,818 AttorneyRaymond A. R01):

[57] ABSTRACT [30] Foreign Application Priority Data The resilient binding for skis consist of a pivoting supporting Dec. 31, 1968 France ..1 101-74 plate pivotally mounted at its from end on a basepme fi d w the ski and of a boot-retaining jaw pivotally mounted at the 8|. "282g rear end of the pivoting plate The pivoting plate comprises n c one spring transversely mounted and in opposition with a fixed 0f u l T a utment o another p ing ha g different res lie t charac teristics. The rotation of the pivoting plate causes the first [56] References Cited spring to be compressed against the fixed abutment or the UNITED STATES PATENTS other spring and compels the pivoting plate to return to its normal position. 3,348,854 10/1967 Marker et al ..280/l 1.35 T 3,037,785 6/1962 DePlace ..280/1 1.35 T 4 Claims, 4 Drawing Figures PATENTEDFEB 15 I972 SHEET 1 0F 2 IN VENTUR.

RESILIENT BINDING FOR SKIS BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a resilient binding for ski boots for holding and returning the boot in an axial position over the ski.

2. Description of the Prior Art Resilient bindings for skis positioned along the longitudinal axis of the ski are known but require a considerable space and their operations are not always satisfactory. Furthermore, these bindings have a complex and costly mechanism and require elastic means such as springs having a high degree of compression, their fulcrum being located on a very short lever arm.

In addition, when the locking elastic elements are transversely mounted, only one of them actuates the locking mechanism and this necessitates more space. The setting of this mechanism is more difficult to adjust because it requires additional supporting means on the binding body, and these means increase the volume of the binding.

Similarly, these known bindings are provided with a plurality of levers pivoted on one or two axes having often a median position which is not clearly determined and the release of the said levers is guided, controlled or limited by no specific member.

In U.S. Pat. No. 3,455,570 granted in July, 1969 to the same patentee, the boot-holding jaw pivoted on a pivoting supporting plate or the like and guided by inclined planes of a baseplate, is maintained and returned in a normal position by resilient elements such as two springs transversely mounted on the said pivoting plate, preferably on one axis, each of the said springs having the same characteristics and resting at their corresponding ends against an abutment of the pivoting plate, and, also, on a fixed element, which may be solidly fixed to the base plate through which slides an axle to adjustably maintain two cylindrical cups on which the outer ends of the springs rest.

When the boot jaw pivots, the two springs are equally and simultaneously compressed, on the one hand, against the cylindrical cups sliding on the pivoting plate and on their supporting axles, and on the other hand, one against the fixed element and the other against an abutment ofthe pivoting plate.

SUMMARY OF THE INVENTION The new binding overcomes the above-mentioned disadvantages and in particular provides an embodiment which is cheaper and more satisfactory than the one disclosed in U.S. Pat. No. 3,455,570.

According the the present invention, the holding jaw of the ski boot is always articulated by a pivoting supporting plate or the like and is maintained in a median position relative to the said plate by means of a device similar to the one disclosed in U.S. Pat. No. 3,455,570 while one of the springs which returns the binding in its median position is provided with resilient characteristics different than the other spring, the said characteristics being such that one of the spring may be completely eliminated. 1

BRIEF DESCRIPTION OF THE DRAWINGS DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIG. 1, the jaw 60 is articulatedyby an axle 61, on a pivoting supporting plate 62. The plate 62 pivots about an axle 63 fixed to the baseplate 64 which is solidly fixed to the ski 66 by I screws 65.

The pivoting supporting plate 62 is provided in its transversal enclosure 67 with only one coil spring 68 which abuts against the disc 69 and against the flanged disc 70. The disc 70 has a blind threaded hole 71 in which is threaded the bolt 72 which passes through the opening of the ring plate 75. A resilient ring 74 is located between the ring plate 75 and the sleeve 73.

The embodiment illustrated in FIG. 1 operates substantially in a similar manner as in the above-mentioned United States patent but provides improved and more satisfactory results.

In FIG. 2, the jaw is articulated by an axle 81 on a pivoting supporting plate 82. The plate 82 pivots about an axle 83 on the baseplate 84. The pivoting plate 82 is provided in its enclosure 85 with a coil spring 86 abutting against a sleeve 81. The sleeve 81 abuts against the abutment element 92 which is solidly fixed to the baseplate 84 and on the disc 87. The disc 87 is provided with a threaded aperture 88 in which is threaded the bolt 89 passing through the aperture of the sleeve 90 abutting against the element 92. The coil spring 86 is more or less compressed by the rotation of the bolt 89in the disc 87 and immobilized in rotation by the walls of the enclosure 85 of the supporting plate 82. The enclosure 85 also immobilizes the disc 87 during its displacement during the multiple rotations of the binding.

The jaw 80 is maintained in a median position shown in FIG. 2 and its resetting in this position after the releasing of the binding is obtained. It is the same operation as described in U.S. Pat. No. 3,455,570. The jaw comprises a flat surface A cooperating with an elastic blade 8 solidly secured 'to the pivoting plate 82. When the jaw 80 takes a titled position, such as shown in FIGS. 20 and 2b, when the limit of the elasticity of the blade 8 has been reached, the jaw becomes temporarily secured to the supporting plate 82, that is, ifthe pressure X or Y keeps increasing on the jaw and exceeds the retention force of the spring 86, the jaw 80 will produce a rotation of the plate 82 in one direction as shown in FIGS. 2a and 2b.

The plate 82 is provided with a cavity 85 which opens on the outside through a window C in the lateral wall. In a rest position, the abutting element 92 solidly secured to the base plate 84, extends in the cavity 85 near the window C.

The fixed abutting element 92 has an aperture through which passes the bolt 89 whose threaded end is threaded in a disc 87 provided with a threaded hole. On the same side as the disc 87 relative to the fixed element 92, the bolt carries a movable sleeve 91 which cooperates with the internal side of the element 92 and the inner contour of the window C by a spring 86 surrounding the bolt 89 and extending between the disc 87 and the sleeve 91.

On the side of the head of the bolt 89, the latter carries equally a sleeve 90 adapted to cooperate with the external side of the fixed element 92 and the outer contour of the window C.

The spring 86 is more or less compressed by the threading of the bolt 89 in the disc 89, the latter being stopped in rotation by the internal walls of the cavity 85 of the supporting plate 82. The internal walls of the cavity 85 are equally used as abutment for the disc 87 so as to limit the displacement of the plate 82 during the multiple rotations of the binding.

I claim:

1. A resilient binding for ski boots for holding and turning the boot in an axial position over a ski comprising:

a baseplate adapted to be fixed on the ski;

a pivoting supporting plate pivotable at its front end on the baseplate:

a boot-engaging jaw pivotally mounted at the rear end of the pivoting plate;

and a compressible member transversely mounted on said supporting plate and being in engagement with an abutment rigid with said pivoting plate and with an element solidly fixed on the baseplate, said compressible member including a rod with enlarged ends, an intermediate ring slidably mounted on said rod and a resilient means extending between the first end of the rod and means is a disc provided with a threaded aperture engaged with said threaded end of the bolt for adjusting, by screwing of the bolt, the compression of the resilient means.

4. A resilient binding as claimed in claim I, wherein a disc is interposed between the second enlarged end of said rod opposite to said resilient means and the abutment and element solidly fixed on the baseplate. 

1. A resilient binding for ski boots for holding and turning the boot in an axial position over a ski comprising: a baseplate adapted to be fixed on the ski; a pivoting supporting plate pivotable at its front end on the baseplate: a boot-engaging jaw pivotally mounted at the rear end of the pivoting plate; and a compressible member transversely mounted on said supporting plate and being in engagement with an abutment rigid with said pivoting plate and with an element solidly fixed on the baseplate, said compressible member including a rod with enlarged ends, an intermediate ring slidably mounted on said rod and a resilient means extending between the first end of the rod and said slidable ring, the second end being on one side of said abutment and said element solidly fixed on the base plate whereas said slidable ring is on the other side of said abutment and element.
 2. A resilient binding as claimed in claim 1, wherein said resilient means is a coil spring surrounding said rod.
 3. A resilient binding as claimed in claim 1, wherein said rod is a bolt and said first enlarged end contacting said resilient means is a disc provided with a threaded aperture engaged with said threaded end of the bolt for adjusting, by screwing of the bolt, the compression of the resilient means.
 4. A resilient binding as claimed in claim 1, wherein a disc is interposed between the second enlarged end of said rod opposite to said resilient means and the abutment and element solidly fixed on the baseplate. 